<div class="am-header-left am-header-nav">
    <a onclick="back()" class="">
        <img src="__PUBLIC__/assets/i/left.png" alt="" style="margin: 5px">
    </a>
</div>
<script>
    function back() {
        if (/(iPhone|iPad|iPod)/i.test(navigator.userAgent)) {
            window.location.href = window.document.referrer;
        } else { window.history.go("-1"); }
    }
</script>